165246624401604 has 96 divisors (see below), whose sum is σ = 408952755348480. Its totient is φ = 51821395612800.

The previous prime is 165246624401597. The next prime is 165246624401641. The reversal of 165246624401604 is 406104426642561.

It is a super-2 number, since 2×165246624401604² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420215227 + ... + 420608285.

It is an arithmetic number, because the mean of its divisors is an integer number (4259924534880).

Almost surely, 2^{165246624401604} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165246624401604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204476377674240).

165246624401604 is an abundant number, since it is smaller than the sum of its proper divisors (243706130946876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165246624401604 is a wasteful number, since it uses less digits than its factorization.

165246624401604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418121 (or 418119 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 165246624401604 in words is "one hundred sixty-five trillion, two hundred forty-six billion, six hundred twenty-four million, four hundred one thousand, six hundred four".